#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>


int strlen(char* string)
{
	int i = 0;
	while (*string != '\0')
	{
		string += 1;
		i++;
	}
	return i;
}

int main()
{
	char* string = "123kl67";
	printf("%d", strlen(string));
	return 0;
}


